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SKU:
FS C12 2004S
21 x 70¼, FS C12, Fixed Deck Mount Skylight with Room Darkening Shade
VELUX
$816.00
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VELUX
21 x 70¼, FS C12, Fixed Deck Mount Skylight with Room Darkening Shade
VELUX FS C12 Fixed Deck Mount Skylight with Laminated LowE3 Glass and Solar Room Darkening Shade
Product Overview:
The VELUX FS C12 fixed deck mount skylight offers a tall, elegant daylighting solution with modern energy performance. Featuring laminated LowE3 safety glass and a solar-powered room darkening shade, it brings controlled natural light into your space while helping maintain indoor comfort.
Key Features:
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Laminated LowE3 Glass: Meets safety codes for out-of-reach applications and comes with a 10-year hail breakage warranty.
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Solar Room Darkening Shade: White double-pleated blackout cloth with honeycomb design and interior aluminum coating blocks harsh light and helps regulate indoor temperatures.
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Deck Mount Installation: Mounts directly to the roof deck for a low-profile, weather-tight fit on 14°–85° pitched roofs.
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Energy Efficient: Shade enhances energy performance by up to 40%, reducing heat gain and loss.
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Certified Compliance: Approved for Florida (FL13308) and Texas (TDI SK03) building codes.
Technical Specs:
Fixed, Non-Venting, Laminated LowE3 Glass, White Interior Finish, Solar Room Darkening Shade, Roof Pitch: 14°–85°
Warranty:
10-year installation warranty when installed with a VELUX flashing kit (sold separately).
10-year hail warranty on the glass.
| FS Sizing Chart | C12 |
| Outside frame (W"xH") | 21 1⁄2 x 70 3⁄4 |
| Rough opening/ Finished frame (W"xH") | 21 x 70 1⁄4 |
A Legacy of Light, Engineered for the Exceptional
VELUX has spent generations perfecting the art and science of daylight. With a steadfast commitment to quality, every VELUX skylight is a statement of thoughtful engineering—crafted to improve how people live and feel in their homes. From UV protection and energy savings to sleek, modern aesthetics, VELUX products consistently outperform expectations in both function and form.
Built for expansive areas in need of generous natural light, the VELUX FCM C12 Fixed Curb Mount Skylight offers one of the largest fixed skylight options in the VELUX lineup. It’s a premium daylighting solution for great rooms, vaulted ceilings, and large-format renovations—where both performance and presence matter most.
Roof Flashing
Roof Pitch
Curb Mount
A curb-mounted skylight is designed to sit on a raised curb structure built on the roof, making it a flexible option for both new installations and replacements. It’s especially well-suited for flat or low-slope roofs and simplifies installation when replacing older units or working with thicker roofing materials.
Compatible with roof pitches from 0:12 to 20:12 (0° to 60°), curb-mounted models are ideal for retrofits, homes with existing curbs, and roofing types like torch-down, TPO, modified bitumen, or tar & gravel.
Flashing options include ECL low-profile flashing for flat or low-slope roofs with membrane or rolled roofing; ECW step flashing for shingle or shake roofs with a minimum 3:12 pitch; and EMW flashing, custom-fit for standing seam and corrugated metal roofs.
